scott



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W. SCOTT. Printing and Folding' Machine. No. 221,704. Patenlted Nov. I8,1879.

Winesses )n-renier N.PETERS, FIWTUUTIIIOGRAPNER, WASHINGTON. D C.

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W. SCOTT. Printing and Folding Machine. No. 221,704. Patented Nov. 18,1879.

N. PETERS, FHDNLITHOGRAPNER. WASHINGTON D C 4 sheets-sheet 4.

` W. SCOTT. Printing and Folding Machine. No. 221,704. Patented Nov.18,1879.

.55 ayweys N. PETERS. PHOYM n'NnGRAPl-IER, WASHINGTON. D C.

Unifrinn STATES PATENT OFFICE.

WALTER SCOTT, CHICAGO, ILLINOIS.

IMPROVEMENT IN PRINTING AND. FOL'DING MACHINES.

Speciiication forming part of Letters Patent No. 221,704, dated November18, 1879; application filed i July 28, 1879.

To all whom it 'may concern:

Be it known that I, WALTER SCOTT, of Chicago, in the county of Cook andState of Illinois, have invented a new and useful Improvement inPrinting and FoldingMachines, which is fully described in the followingspecication, reference being had to the accompanying drawings, in which-Figure l represents av plan view of a printing-machine andfolding-machine embracing my improvements; Fig. 2, a front-sideelevation of the same; Fig.,3, a rear-side elevation of the same; Fig.4, a longitudinal section of the same, taken on the line w, Fig. 1 Fig.5, detail views on an enlarged scale, showing the bearings of the`form-inking rollers; Fig. 6, similar views, showing 'the bearings ofthe distributing-rollers; Fig'. 7,adetail transverse section on anenlarged scale, taken on the line y y, Fig. 1; Fig.8, an elevation ofthe cam and pinion on the outer-end ot' the shaft of the folding-blade;Fig. 9, detached views of the spring-pins which are used to hold thedistributing.- rollers in place; Fig. 10, a transverse section, on anenlarged scale, of the three rollers for cutting and making the firstfolds in the sheets; Fig. 11, an end and detail side elevation ofthermale cutting-cylinder, on an enlarged scale; and Fig. l2, a detailview of one end of vone of the rods for attaching the blanket to thecylinder provided with a removable point.

The first part of my present invention relates to improvements intheprinting-machine, and the second part to improvements in the foldingmechanism, which receives the printed sheets directly from theprinting-machine and folds them.

The invention consists in various special vdevices and combinations ofdevices relating to printing and folding machines, all of which will behereinafter morefully described,and

pointed out particularly in the claims.

In the drawings, A represents the main frame, which supports theprinting and folding mechanism, and in which the various cylinders androllers belonging to the machine are mounted in suitable bearings. Theprinting machine is of the class now generally known as webprinting-machines.

At the iront end ofthe machine are two standards, a, in which is mountedthe shaft B, on which the roll of paper is placed and secured in anyusual way. This shaft is provided at one end with a disk,-b, which isembraced by friction-clamps b', provided with a tightening-screw,whereby the friction may be regulated.

It is desirable to provide for the adjustment of thefpaper rolllengthwise to bring the sheet intoproper position on theprinting-cylinders. To provide for this a collar, b2, is attached to theshaft B outside of one of its end bearings, the collar having acircumferential groove. Alever,C,is jointed at one end to the standarda, just in front of the collar b, the connection being made by agimbal-joinuso that the lever may be vibrated both vertically andhorizontally. The lever is provided on its under side with two pins, cc', the lirst of which is arranged to fit in the groove of the collarb2, while the outer one drops-into a similar groove in a nut, C', on athreadedpin, cz, attached to the standard just back of the shaft B. Itwill thus be seen that by turning this nut the outer end of the leverwill be vibrated in a horizontal direction, thereby giving an endadjustment to the roll of paper. The lever is free to be swung back topermit the removal ot' the shaft Whenever it is desired to change rolls.

An ink-distributing cylinder, D, is mounted in the front end of theframe, and is supplied from the ink-fountain d below in the usual way,and is provided with distributin grollers,which however, are not shownin the drawings, at this end of the machine.

The plate-cylinder E is of ordinary construction, and provided withsuitable clam ps for fastenin g the printing-plates thereto.

An impression-cylinder, E', is arranged to run in connection with theplate-cylinder, and each is provided at the ends with bearingdanges ee', of such width as to run constantly in contact, thereby preservingthe distance between the surfaces of the two-cylinders, which sometimesis varied by the wearin g of the bearings, thereby causing an unequalwear of the edges of the printin g-plates.

Supporting-rollers D are mounted in upright standards, beingarrangedabout over the cylinders D and E, respectively, and to the back of thestandards of the inner roller a frictioubar,

c2, is attached, the surface of which is convex. .A drop-roller, e, ismounted in the usual vibrating frame, which is also pivoted tothe samestandards, the roller being arranged to drop onto theimpression-cylinder E. A series of carrying-tapes, F, are arrangedunderneath the impression-cylinder E', being mounted on ordinary rollersf, and running in contact with the impression-cylinder.

In rear of the impression-cylinder E is mounted the secondimpression-cylinder, G, which is of much larger size than the former,and is provided with the usual blanket and tympan-sheet. The front endof the blanket is attached to the cylinder by means of a rod, g, passingthrough loops in the end of the blanket; and to facilitate the insertionof the attachment of the blankets is in the ordinary way.

A second plate-cylinder, G', is arranged in the proper relation to thecylinder G, and is similar in construction to the cylinder E. these twocylinders G and G being provided with end flanges, like E and E', ifdesired.

A series of tapes, H, are arranged to run in contact with the upperportion of the cylinder G, heilig carried by ordinary tape-rollers h, asshown in Fig. 4 of the drawings.

The second ink-distributing cylinder, I, is of usual construction, andthe well-known reciprocating' ink-distributing rollers J are arranged torun in contact therewith. The rollers J are reciprocated lengthwise inthe usual way by means of the lever J', which is attached to arock-shaft, i,which is oscillated by a grooved eam,j, on the shaft oftheinktbuntain roller, in the groove of which a pin enters, which is on anarm, jl, attached to the rock-shaft. The rollers J are secured in theopen bearings, which are provided at one end with spring-pinsjf, asshown in Fig. 6 ofthe drawings. 'Ihe spring on these pins is bent toform a shoulder, as Shown in Fig. 9 of the drawings, hy means of whichthe springs are held in place after they are inserted in the holes inthe forked bearings. The spring is also narrower than the pin, and theupper portion of the slotj, through which the pin passes, is narrowerthan the lower portion, so as to admit the spring only, and the upwardpressure of the journals will therefore be prevented from coming on thespring and depressing it, so as to permit the pin to slip from its placeand make the fastening insecure.

The form-inking rollers I are mounted in bearings i, which are litted inyokes 1", Fig. 5, in which they are adjustable vertically by means ofadjusting-screws i. The journals 3 of the forni-rollers are extended atone end, so as to be of about the same length as thedistributing-rollers, and the bearings at this end of the rollers aremade so that the extended journals may slide buck and forth therein, to

"ertically in guide-slots in said arms by means of suitable screws. Thearms k are attached to a rock-shaft, K', around which is wound a spiralspring, k', which operates to hold the roller away from thedistributing-cylinder and in contact with the fountain-roller. An arm,k2, is placed loosely onthis rock-shaft at the back side ofthe machine,and a. second arm, k3. is here fastened to the rock-shaft and extendedbelow it, being provided at its lower end with a transverse slot, asshown in Fig. 3 of the draw ings. The loose arm kzisfastened to the armk3 by a screw which enters a slot in the latter, and by means of theslot and screw the loose arm Vmay be adjusted on the rock-shaft. Theloose arm carries atitsupperendapimagainst which a cam, k4, Fig. 1, alsoattached to the shaft of the fountain-roller, is arranged to bear, andis of such form as to vibrate the ductorroller at suitable intervals totransfer ink from the fountain-roller to the distributingcylinder.

It will be seen that the cams j and k are both on the fountain-rollershaft; that ductorroller and the distributing-rollers are both vibratedby the rotation of the same shaft, and this shaft is driven b v suitablegearing from the inkdistributi11g-cylinder.

The ductor L is mounted on the ink-fount ain by means of suitable slotsand screws, so as to permit it to be adjusted to or from thefountain-roller L. The adjustment of this ductor is effected by means ofdifferential screws I. These screws are each provided with two threads,l', at the inner ends, and l? near the outer ends. The inner ends of thescrews are considerably smaller than the threaded portion l2, and thethreads atl are liner than at l2. The inner ends of the screws enterthreaded holes in the ductor, and the threaded portions 2 are supportedin screwhearings on the ink-fountain.

lt is evident that the movement of the ductor by a single turn ofthescrews will be equal to the difference between the pitch of the thread,and so I am enabled to obtain a nice adjustment of the ductor.

I have shown and described the complete inking-apparatus at one end ofthe press only. It will be understood, however, that the iirstink-distrbuting cylinder at the front end of the machine is providedwith all of the devices which have been mentioned above in connectionwith the second distributing-cylinder.

I will now proceed to describe the cutting and folding mechanism. Justin rear of the impression-cylinder G, and underneath the secondvri-pagar v inking apparatus', are ythree cylinders, M, N, and O, thefirst of which is provided'with'cutting-blades and creasers`,the secondwith cutting grooves andfolding--gripers, and the third-Withtransferring gripers and `foldingblade. The-arrangement ofthesecylinders is shown in Fig. 4 'of1the drawings, which arrangement,as Well as thegeneral construction of the cylinders, is substantiallythe same as shown in a prior application of mine filed May 21,1879; butin some particulars the construction of these cylinders is different, sothat their operation is considerably different from that described in myprior application.

The cylinder M is provided with a stationary cutter, m, a stationarycreaser, m', and two creasers, m2, attached to rock-shafts m3, thepurpose and4 operation of which will be presently described.

When ordinary sheetsare to be cut and folded the creasers m2 are turneddown in their holding-grooves, as shown in full lines in Fig. 10 of thedrawings, and are consequently inoperative.

The cylinder N isprovided with a cuttinggroove, n, and three sets offolding-gripers, n', n2, and n3, the last two of which are inoperativeexcept when half-sheets are to be used.

The cylinder O is provided with a set of transferring gripers, o, and acreaser, o', which is also mountedon arock-shaft, o2, both of whichdevices are inoperative when halfsheets are folded.

In folding ordinary sheets the creaser o is thrown up, as shown in fulllines in Fig. 10 of the drawings, in which position it projects slightlybeyond the circumference of the cylinder and is operative.

Upper and lower carrying-tapes, P P, are arranged to take the foldedsheets from the cylinder N and convey them to the rear end of themachine, the inner tape-rollers,pp, being arranged just above and inrear of the cylinder N, and the outer rollers, 102 p3, at the extreme,rear end of the machine, there being also an intermediate pair of guideand supporting rollers, p4 and p5), which, however, are 'not absolutelynecessary. Stripping-guides Q, are arranged between the rollers P P andthe cylinder N, the latter being provided with circumferential grooves,in which the ends of the guides lie. Instead of these guides, however, aseries of tapes running around the cylinder N may beemployed, as in theprior application above mentioned.

At the rear end of the machine is a rotating folding-blade, R, and acylinder, S, provided with a series of folding-gripers, s, the creaserand cylinder being arranged at right angles to the cylinders M N 0, andso that the folded sheets will becarried in between the creaser andcylinder bVy--t'he tapes P P',

substantially as shown and- 'described in my prior application iiledMarch 30, 1876, so that the sheets may be folded at right angles to theprevious folds.

A gage-bar, s', is arranged just in front of the tape-rollers 192193 forthe usual purpose of stopping the sheets. Just underneath the path ofthe sheets are rollers s2, Fig. 7, arranged one on each side of thegriper-cylinder, and above these rollers are two drop-rollers, T,mounted in arms t, attached to rockshafts t on each side of the creaser.Arms t2 are fastened, respectively, to the outer ends of the rock-shaftst', and are arranged to project inwardly therefrom, being hinged orpivoted together at their inner ends, where one of them is slotted topermit a vibrating movement of the two.

A cam, U, Figs. l and 8, is mounted on the shaft of the creaser, justunderneath the jointedarms t2, upon which a pin, t3, projecting rearwardfrom the joint of the two arms, rests. The cam is provided with adepression, u, which permits the pin to drop at a certain point in therevolution of the cam, and the parts are so arranged that this willoccur just as the creaser takes the sheet to crease it into the griperson the cylinderbelow. This dropping of the jointed arms permits therollers T to drop at once upon the stationary rollers below, which aredriven by a pulley, r, on the shaft of the creaser, and a band, r',ruiming thence to the roller-shafts.

It will thus be seen that at the very moment the sheet is taken by thecreaser it will be started in a movement to one side of the machine bythe action of the rollers and the creaser and griller-cylinder combined.The folded sheet may be delivered in any wellknown way, and ifadditional folds are necessary additional folding devices must beprovided; but their attachment will be readily understood withoutfurther description.

The machine shown in the drawings is a double printing-machine, andhence the sheet must be divided, which is accomplished by means of arotary cutter on the roller pt,- but in case this intermediate roller isnot employed, this cutter should be mounted on the roller p or on someother suitable shaft.

It will, of course, be understood that the shafts and cylinders of themachine are provided with suitable gearing, and in this machine theentire printing and folding inechanism is driven from a single shaft, V,as described in my application of May 2l, 1879, and as shown in Figs. 2and 3 of the drawings, in which thetrain of gears is shown with arrows,indicating the direction of their revolutions.

The folding mechanism at the extreme rear end of the machine is drivenby a shaft, W, on the back side of the machine, the front end of whichis provided with a bevel-gear, fw, eugaging with a similar gear, w', onthe back end of the shaft of the cylinder M, as shown in Fig. 3 of thedrawings, which, in turn, is driven from the shaft V, as shown in Fig. 2of the drawings.

In operation the web is carried up from the roll over thesupporting-rollers D', and thence down in rear of the friction-bar e2,and between the drop-roller e3 and the impression-cylinder E to thecylinders E E', where it receives the first impression. The friction-barstraightens the web and takes out all creases or wrinkles, and thedrop-roller starts the sheet in between the printing-cylinders.

The operation of the printing-machine from this point has already' beensntiiciently described above to enable others to understand it.

The end of the printed web drops from the cylinder G into the cylindersM and N, is carried around on the cylinder M, and is cut and receivesits first fold by being creased into the cylinder N, as described in myapplication of May 2l, 1879.

The gripers n hold the sheet, so that it is carried around by thecylinderN in the direction indicated by the arrow in Fig. 10 of thedrawings, until it is released and transferred to the cylinder O by theoperation of the transferring-gripers o, when it is carried by thecylinder O in the direction shown by the arrow in Fig. 10 until thecreaser o' is brought opposite to the gripers n2, when a second fold,parallel to the iirst, is made by creasing the sheet into the gripers n2on the second cylinder N, by which it is carried to the strippers Q, andby them guided to the tapes P l.

lt will be understood, of course, that suita ble cams are provided foropening the springgripers for the purpose of receiving and releasing thesheets at the proper points. The sheets twice folded are then conveyedby the tapes to the second folding mechanism, being divided by thecutter on the roller p, where another fold is made at right angles tothe two tirst, as already described above. But one set of foldingdevices is shown at the rear of the machine. 1t will be understood,however, that a duplicate set on the other side of the machine will benecessary for a double press like the one here shown.

It will be seen from this description that two parallel folds are madein the sheets by the operation of the three cylinders M, N, and 0, butinan entirely novel manner, as far as known to me. The sheet is creased bythe first cylinder into the second, from which it is laken by the third,and then creased back again by the latter into the second cylinder tomake the second fold.

If it is desired to cnt and fold half-sheets, the creaser m' is replacedby a cutter corresponding to the cutter m, and the two creasers m2 arethrown up into working position, as showin in dotted lines of Fig. 1U ofthe drawings.

The springgripers u are fastened open by placing the pin behind thecrank-arm on their rock-shaft, thereby converting the foldinggroove intoa cutting-groove. The transferringgripers o are fastened open in asimilar manner as the gripers u', andthe creaser o' is turned down intoits grooves, as shown in dotted lines in Fig. 10.

It is evident that with these changes halfsheets will be cut and creasedinto the cylinder N, the gripers n being now brought into operation, andthat the devices on the cylinder O will be inoperative, so that theoncefolded :half-sheets will be carried directly to the tapes P, andthence to the second folding mechanism. The second or rear foldingmechanism must he changed in speed,l ychanging gears, so as to act twiceas rapidly as before.

In order to provide for the vibration of the crcasers m2, therock-shafts mi are provided at one end with a crank-arm, m4, throughwhich a pin, m5, is inserted to enter either one of two holes in the endof the cylinder, so that the rock-shafts are oscillated by turning thecrankarm and fastened in the desired position by means of the pins. Therock-shaft o2 is provided with similar devices for securing a lightadjustment of the creaser o'.

It will thus be seen that these cylinders may be changed from full-sizedsheets to half-sheets without removing any device except the singlecreaser m.

1t is also evident that, under the arrangement of devices as describedabove, a very compact printing and folding machine is obtained, theaddition ofthe folding mechanism requiring but very little increase inthe size of the supporting-frame. This is eiected by my arrangement ofthe iirst set of folding devices underneath the second inking apparatus;but with certain obvious changes these two devices might be reversed,and the inking devices arranged below the folding apparatus; andtherefore I do not limit myself to the arrangement of the folders belowthe inkers, provided these sets of devices are arranged either onesubstantially above or over the other.

1n case but two folds are required in the sheets, the printingmachineand folder are complete with the three cylinders M, N, and O only, asuitable mechanism being provided to deliver the folded sheets upon areceiver directly from the cylinder N.

Having thus described my invention, what I claim as new, and desire tosecure by Letters Patent, is-

1. The paper-roll shaft, in combination with the swiveled lever C,provided with the pins c c', and the grooved adjnstingnut U',substantially as and for the purpose set forth.

2. The fountain-roller shaft, in combination with the cams j' and k*mounted thereon, the vibrating lever J', distributingroller J, andductor-roller K on vibrating arms k, one of which is provided with a pinconnected therewith, against which the cam k4 acts, substan tially asand for the purpose set forth.

3. The ductor-roller K, mounted in arms on the rock-shaft K', incombination with the spring k', loose arm k2, having a pin at its upperend, and the cam k, substantially as described.

4. The ink-fountain roller L', in combination with the cam k on itsshaft, the rockshaft K', springk', and ductor-roller K, mounted inadjustable bearings on arms k, attached to the rock-shaft, substantiallyas described.

5. The form-inking rollers I', constructed with extension-journals atone end, in combination with the bearing-boxes i, through which the saidjournals project and are free to slide, and the closed boxes for theshort journals cut away to permit the latter to be lifted therefrom,whereby the rollers may be readily removed and replaced, substantiallyas described.

'6. The impression-cylinder G, in combination with the blanket, providedwith a loop at one end, and the fastening-rods g, provided with aremovable pointed end, g', substantially as and for the purpose setforth.

7. The combination of three parallel cylinders, the rst provided with acreaser', second with two sets of folding-gripers, and the third withtransferring-gripers and a creaser, whereby the sheet is rst creased bythe first cylinder into the second, then taken therefrom by the third,and again creased back into the second by the third to make two parallelfolds, substantially as described.

8. The cylinder M, provided with a creaser and a cutter, in combinationwith the cylinder N, provided with folding-gripers and a cutting-groove,and the cylinder O, provided with transferringgripers and a creaser,arranged and operating to cut the sheets and make two par. llel foldstherein, substantially as described.

9. A creaser mounted on a rock-shaft arranged within the groove in itscarrying-cylinder, in combination with adjusting devices, by means ofwhich the creaser may be turned down into the groove or thrown up intooperative position and screwed` in either adjustthe ment, substantiallyas and for the purpose set forth.

10. The cylinder M, in combination with creaser m2, rock-shaft m3,provided with crankarms m4, and fastening-pin m5, substantially as andfor the purpose set forth.

11. The cylinder M, provided with a cutter, removable creaser, andadjustable creaser m2, in combination with the cylinder N, provided withab cutting-groove and folding-gripers n u2 n3, and devices for fasteningthe first griper, nf, open to make a cutting-groove, and the cylinder 0,provided with an adjustable creaser, o', transferring-gripers o, and.devices for fastening the latter in an open position, whereby thecylinders may be changed from fullsized sheets to half-sheets,substantially as described.

12. A sheet-folding mechanism to which the sheets are delivered in apath parallel to the axis of the folding-rollers, in combination withthe rotating rollers s2 and the drop-rollers T, substantially as and forthe purpose set forth.

13. The revolving cam U, in combination with the rock-shaft t',drop-rollers T, attached thereto, and arms t2, jointed together at theirinner ends, substantially as and for the purpose set forth.

14. The revolving creaser R, in combination with the gripcr-cylinder S,the carrying rollers s2, the drop-rollcers T, and the deliverytapes PP', all arranged and operating substantially as described.

WALTER SCOTT.

Witnesses:

JNO. G. MAGGREGOR, W. O. GoRLrEs.

